#ifndef BROADCAST_H
#define BROADCAST_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>
#include <stddef.h>

struct TOPO_GROUP;
struct UTUN_INSTANCE;

#define BROADCAST_MAX_DATA 1600
#define BROADCAST_UUID_SIZE 16
#define BROADCAST_CLEANUP_INTERVAL_TB 600000   // 1 минута
#define BROADCAST_TTL_TB           1200000      // 2 минуты

typedef void (*broadcast_recv_fn)(const uint8_t* uuid, const uint8_t* data, uint16_t data_len, void* arg);

struct broadcast_cbk_entry {
    broadcast_recv_fn fn;
    void*            arg;
    struct broadcast_cbk_entry* next;
};

struct broadcast_ctx;

int  broadcast_init(struct TOPO_GROUP* group);
void broadcast_destroy(struct TOPO_GROUP* group);
int  broadcast_send(struct TOPO_GROUP* group, const uint8_t* data, uint16_t data_len);
void broadcast_add_cbk(struct TOPO_GROUP* group, broadcast_recv_fn fn, void* arg);
void broadcast_remove_cbk(struct TOPO_GROUP* group, broadcast_recv_fn fn, void* arg);

int  broadcast_init_instance(struct UTUN_INSTANCE* instance);
void broadcast_destroy_instance(struct UTUN_INSTANCE* instance);

#ifdef __cplusplus
}
#endif
#endif